Version 5.8 83 September 2009
SIP User's Manual 3. Web-Based Management
3.3.3.4.3 Self-Signed Certificates
The device is shipped with an operational, self-signed server certificate. The subject name
for this default certificate is 'ACL_nnnnnnn', where nnnnnnn denotes the serial number of
the device. However, this subject name may not be appropriate for production and can be
changed while still using self-signed certificates.
¾ To change the subject name and regenerate the self-signed certificate:
1. Before you begin, ensure the following:
• You have a unique DNS name for the device (e.g.,
dns_name.corp.customer.com). This name is used to access the device and
should therefore, be listed in the server certificate.
• No traffic is running on the device. The certificate generation process is disruptive
to traffic and should be executed during maintenance time.
2. Open the ‘Certificates’ page (refer to ''Server Certificate Replacement'' on page 79).
3. In the 'Subject Name' field, enter the fully-qualified DNS name (FQDN) as the
certificate subject, and then click Generate Self-signed; after a few seconds, a
message appears displaying the new subject name.
4. Save configuration (refer to ''Saving Configuration'' on page 167),
and then restart the
device for the new certificate to take effect.
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